windows port access

Peter Hansen peter at
Tue Jul 17 03:11:24 CEST 2001

Chris Gonnerman wrote:
> ----- Original Message -----
> From: "Peter Hansen" <peter at>
> > If you look back through the last two days' worth of postings for subject
> > "parallel port?!?" you should find something to help.  Yes, it is
> possible,
> > no the result is not compatible (but you could always write a higher level
> > wrapper to make it so).
> Unfortunately what Bryan is asking is not what you are answering.  He wants
> to access the I/O port 0x280, which he states is assigned to a "custom ISA
> card" which (I assume) is not using the standard parallel port interface,
> nor serial, etc. and for which he evidently has no driver.

I admit I didn't actually look at the winioport stuff proposed in the
"parallel port?!?" thread, but given that it was called winioport
and not winparallelport, I assumed it was a way of providing generic 
access to IO ports under Windows.  If I was wrong, then you are right 
to correct me!  (Do you know winioport would not work or were you just
tricked by the name of the thread?)

Of course, it's probably moot given Jon Nicoll's response which suggests
a perfectly viable alternative.

> Bryan, please tell us a bit more about the device you are trying to control,
> and perhaps we can help you.

Always good advice to someone looking for assistance!

Peter Hansen, P.Eng.
peter at

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